Western Digital Slim hard drives have 1 or 2 platters, that means 2 or 4 heads. The WD SLIM Head COMB Suite supports both of these two types of WD Slim hard drives.
WD Slim hard drives have the following models:
If these hdds have physical head damage and users need to open them in one clean bench and run head swap. Users need then the WD Slim HDD Head Comb Suite.